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# frozen_string_literal: true
# Helper functions for dealing with titles of Things.
module TitleHelper
# Returns the given string with underscores to <em></em>.
def title_to_html(title:)
replace_underscores_with(string: title, open_char: '<em>', close_char: '</em>').html_safe # rubocop:disable Rails/OutputSafety
end
# Replace underscores from a string with the given open/close characters.
def replace_underscores_with(string:, open_char:, close_char:)
string.gsub(/_([^_]+)_/, "#{open_char}\\1#{close_char}")
end
end
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